<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *{
            padding: 0;
            margin: 0;
        }
        /*section{*/
            /*overflow: auto;*/
        /*}*/
        form {
            width: 350px;
            background-color: forestgreen;
            margin: 20px auto;
            padding:0 15px;
            color: chartreuse;
            border-radius: 5px;
            overflow: auto;
        }
        .step{
            font-size: 14px;
            font-weight: bold;
            margin: 10px 0;
        }
        .form-line{
            border-radius: 5px;
            border-color: white;
            border-style: solid;
            padding: 3px;
            margin: 3px 0;
            background-color: aliceblue;
            font-size: 12px;
            padding-left: 10px;
        }
        .form-line span{
            display: inline-block;
            width: 110px;
        }
        .form-line input{
            background-color: white;
            border:none;
            height: 20px;
            border-radius: 3px;
            width: 180px;
        }
        .form-line input[type = radio]{
            width: 25px;
            height: 12px;
        }
        .form-line textarea{
            width: 180px;
            height: 70px;
            vertical-align: top;
            border: none;
            border-radius:3px;
            resize: none;
        }
        input.submit-btn{
            border: none;
            display: block;
            background-color: black;
            color: white;
            width: 100px;
            padding: 5px 0;
            border-radius: 20px;
            margin: 10px auto;
        }
    </style>
</head>
<body>
<form>
    <section>
        <p class = "step">第一步：详细信息</p>
        <p class = "form-line">
            <span>姓名</span>
            <input type="text" placeholder="请输入姓名">
        </p>
        <p class="form-line">
            <span>电话</span>
            <input type="text" placeholder="12378658765">
        </p>
        <p class="form-line">
            <span>fackbook主页</span>
            <input type="url" >
        </p>
    </section>
    <section>
        <p class = "step">第二步：详细信息</p>
        <p class = "form-line">
            <span>详细地址</span>
            <textarea placeholder="睡得很死化是多少施毒术施毒术"></textarea>
        </p>
        <p class="form-line">
            <span>邮编</span>
            <input type="text">
        </p>

    </section>
    <section>
        <p class = "step">第三步：银行卡信息</p>
        <p class = "form-line">
            <span>银行卡类型</span>
            <input type="radio" name="CardType">借记卡
            <input type="radio" name="CardType">信用卡
            <input type="radio" name="CardType">VISA卡
        </p>
        <p class="form-line">
            <span>卡号</span>
            <input type="number" >
        </p>
        <p class="form-line">
            <span>密码</span>
            <input type="number" placeholder="这个不用输入">
        </p>
        <p class="form-line">
            <span>持卡人</span>
            <input type="text" >
        </p>
    </section>
    <input type="submit" class="submit-btn" value="提交">
</form>

</body>
</html>